Encrypter link : https://repl.it/@John_123/Encrypter
Decrypter link : https://repl.it/@John_123/Decrypter
Here is my Encrypter and Decrypter of a Message written ! , I have written it myself, So Please do give it a (+1) if you like it !
For anyone who is getting an error 404; you can still access the file. There should be a forward slash just before the underscore, delete it and you can access the file.